#include<stdio.h>
typedef unsigned char *byte_pointer;
void show_bytes( byte_pointer start ,size_t len){
size_t i;
for(i = 0; i<len;i++)printf("%.2x",start[i]);
printf("\n");
}
void show_int (int x){
show_bytes((byte_pointer) &x,sizeof(int));
}
void show_float(float x){
show_bytes((byte_pointer) &x,sizeof(float));
}
void show_pointer(void *x){

show_bytes((byte_pointer) &x,sizeof(void *));

}
